Toothbrush head



FIG. 1 is a front, top and right side perspective view of a toothbrush head showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a back elevational view thereof;

FIG. 4 is a right-side elevational view thereof;

FIG. 5 is a left-side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in the drawings depict portions of the toothbrush head that form no part of the claimed design. 

CLAIM I claim the ornamental design for a toothbrush head, as shown and described. 